AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

Proper timing for saw-cutting contraction joints in a slab is best described as:

As late as possible after 28 days As soon as the concrete hardens enough that the edges do not ravel, typically within a limited early window Only while the concrete is still bleeding heavily Never on exterior slabs

Correct Answer:

As soon as the concrete hardens enough that the edges do not ravel, typically within a limited early window

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